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Finding the Fourth Proportional to 448,585.56, 672,878.34 and 168,066.36

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Solution

The fourth proportional to 448,585.56, 672,878.34 and 168,066.36 is: 252,099.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,585.56 : 672,878.34 = 168,066.36 : x
  2. Step 2: Convert to fraction form
    448,585.56/672,878.34 = 168,066.36/x
  3. Step 3: Cross multiply
    448,585.56x = 672,878.34 × 168,066.36
  4. Step 4: Simplify right side
    448,585.56x = 113,088,213,326.64
  5. Step 5: Solve for x
    x = 113,088,213,326.64/448,585.56
  6. Step 6: Final answer
    x = 252,099.54

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.